| Model Year | 2018 | 2009 | |
| Model | Audi A8 / S8 | Lexus SC | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 2dr Hardtop conv. | |
| Difference | |||
| Wheelbase | 117.8 in | 103.1 in | 14.7 in |
| Length | 202.6 in | 178.5 in | 24.1 in |
| Width | 76.7 in | 72.0 in | 4.7 in |
| Height | 57.4 in | 53.1 in | 4.3 in |
| Curb Weight | 4685 lb. | 3840 lb. | 845 lb. |
| Fuel Capacity | 21.7 gal. | 19.8 gal. | 1.9 gal. |
| Headroom, Row 1 | 37.2 in | 37.2 in | 0 in |
| Shoulder Room, Row 1 | 59.1 in | 53.8 in | 5.3 in |
| Hip Room, Row 1 | 0.0 in | 55.7 in | -55.7 in |
| Legroom, Row 1 | 41.4 in | 43.6 in | -2.2 in |
| Headroom, Row 2 | 38.1 in | 27.1 in | 11 in |
| Shoulder Room, Row 2 | 57.8 in | 46.6 in | 11.2 in |
| Hip Room, Row 2 | 0.0 in | 49.5 in | -49.5 in |
| Legroom, Row 2 | 38.7 in | 27.1 in | 11.6 in |
| Total Legroom | 80.1 in (over 2 rows) | 70.7 in (over 2 rows) | 9.4 in |
| Cargo Volume | 14.2 ft3 | 8.8 ft3 | 5.4 ft3 |
None of our members have yet commented on the seat room and comfort of the 2018 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2009 Lexus SC.